Using views in a SELECT statement can restrict the join order of the tables and limit the query optimizer's choices when considering access plans.

在select语句中使用视图，可以限制表的连接顺序，同时也限制查询优化器在考虑访问计划时的选择。

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There is a limit to the number of objects a user can select.

这里存在对用户可选择对象的数量限制。

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Apache Derby currently limits you to 1,012 elements following the SELECT keyword — meaning this is one limit that you'll probably never need to worry about!

Apache Derby目前的限制为SELECT关键字之后最多可以有1,012个元素——这意味着您可能永远无需担心这个限制！

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Headteachers don't want to do that because it would weaken their claim to charitable status and limit their ability to select the cleverest children and thus get the best results.

ECONOMIST: Private schools: Old school ties | The